Amazon treasure truck graffiti Posted on February 16, 2018October 6, 2019 by aero I was part of Amazon treasure truck event in Birmingham painting live for ultimate ears boom speakers. On the day there was artist customising Boom speakers for the public. Related ProjectsUrban Art Brixton 2015Megabooth Graffiti Taxi'sAero at Urban Art Brixton 2013UK Meeting of styles 2014 Posted in Commercial Artwork.